Finding the Fourth Proportional to 121,736.68, 182,614.21 and 36,340.80
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Solution
The fourth proportional to 121,736.68, 182,614.21 and 36,340.80 is: 54,513.95
Step by Step Solution
- Step 1: Write the proportion equation
121,736.68 : 182,614.21 = 36,340.80 : x - Step 2: Convert to fraction form
121,736.68/182,614.21 = 36,340.80/x - Step 3: Cross multiply
121,736.68x = 182,614.21 × 36,340.80 - Step 4: Simplify right side
121,736.68x = 6,636,346,734.32 - Step 5: Solve for x
x = 6,636,346,734.32/121,736.68 - Step 6: Final answer
x = 54,513.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.